/*
************************************************************************************************************************
* ANALYZE NAND FLASH STORAGE SYSTEM
*
*Description: Analyze nand flash storage system, generate the nand flash physical
* architecture parameter and connect information.
*
*Arguments : none
*
*Return : analyze result;
* = 0 analyze successful;
* < 0 analyze failed, can't recognize or some other error.
************************************************************************************************************************
*/
__s32 BOOT_AnalyzeNandSystem(void)
{
__s32 result;
__u32 i;
__u8 tmpChipID[8];
boot_nand_para_t nand_info;
if( BOOT_NandGetPara( &nand_info ) != 0 ){
return -1;
}
_InitNandPhyInfo(&nand_info);
//reset the nand flash chip on boot chip select
result = PHY_ResetChip(BOOT_CHIP_SELECT_NUM);
result |= PHY_SynchBank(BOOT_CHIP_SELECT_NUM, SYNC_CHIP_MODE);
if(result)
return -1;
//read nand flash chip ID from boot chip
result = PHY_ReadNandId(BOOT_CHIP_SELECT_NUM, tmpChipID);
if(result)
return -1;
//check nand ID
result = _CheckNandID(tmpChipID);
if(result)
return -1;
/*configure page size*/
{
NFC_INIT_INFO nfc_info;
nfc_info.bus_width = 0x0;
nfc_info.ce_ctl = 0x0;
nfc_info.ce_ctl1 = 0x0;
nfc_info.debug = 0x0;
nfc_info.pagesize = SECTOR_CNT_OF_SINGLE_PAGE;
nfc_info.rb_sel = 1;
nfc_info.serial_access_mode = 1;
nfc_info.ddr_type = DDR_TYPE;
NFC_ChangMode(&nfc_info);
NandIndex = 0;
}
PHY_ChangeMode(1);
if(SUPPORT_READ_RETRY&&(((READ_RETRY_TYPE>>16)&0xff) <0x10)) //boot0 only support hynix readretry
{
SCAN_DBG("NFC Read Retry Init. \n");
NFC_ReadRetryInit(READ_RETRY_TYPE);
PHY_GetDefaultParam(0);
}
else
{
/*
************************************************************************************************************************
* GET FLASH INFO
*
*Description: get some info about nand flash;
*
*Arguments : *param the stucture with info.
*
*Return : = SUCESS get ok;
* = FAIL get fail.
************************************************************************************************************************
*/
__s32 NFB_GetFlashInfo(boot_flash_info_t *param)
{
boot_nand_para_t nand_info;
BOOT_NandGetPara(&nand_info);
param->chip_cnt = nand_info.ChipCnt;
param->blk_cnt_per_chip = nand_info.BlkCntPerDie * nand_info.DieCntPerChip;
param->blocksize = nand_info.SectorCntPerPage * nand_info.PageCntPerPhyBlk;
param->pagesize = nand_info.SectorCntPerPage;
param->pagewithbadflag = 0 ; // fix page 0 as bad flag page index
return 0;
}
